Di2 Battery Holder for 25.4 mm Seat Posts
BL-01-000106
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Made from hard, tough, and tear resistant rubber. Completely protects the delicate battery connector.Battery Holder Sizes
We make Di2 battery holders for 25.4mm seat posts with various inside diameter size options primarily for Cannondale seat posts. If you are using a non-Cannondale or FSA seat post, measure the inside diameter with a caliper and round up. If the measurement is more than .25 mm from the available sizes, or an odd shape, contact us for assistance.Seat Post Sizes:
Cannondale Branded
C2 - 19 mm ID
C3 - 19.5 mm ID
FSA Branded
SL-K - 20.5 mm ID
Why use a holder instead of tape or foam?
Ad hoc solutions using tape and foam have multiple issues. The net result is often a damaged or stuck battery.
Problems with Tape or Foam:
- They don't protect the delicate battery connection
- Tape or foam can shrink, causing the battery to fall out
- They can cause the battery to overheat
- Tape, especially, can fuse to the inside of the seat post
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